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When ordering switches for a new

题目

When ordering switches for a new building, which of the following is the BEST way for the technician to determine the number of switches to put in each network closet?（）

  • A、Review the architectural plans to see how many drops go to each closet.
  • B、Count the number of rooms near each closet and standardize eight drops per room.
  • C、Wireless is the new standard and no network switches will be needed in the building,
  • D、Count the number of phone ports and configure two network ports for each phone port.
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相似问题和答案

第1题：

When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? Choose all the valid answer choices)

A. Bridges are faster than switches because they have fewer ports.

B. A switch is a multiport bridge,

C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame. received.

D. A bridge will forward a broadcast but a switch will not.

E. Bridges and switches increase the size of a collision domain.

F. None of the above statements are true.


正确答案：BC
B,C 解析：Explanation:
Both bridges and switches build the bridge table by listening to incoming frames and examining the source MAC address in the frame.

Switches are multiport bridges that allow you to create multiple broadcast domains. Each broadcast domain is like a distinct virtual bridge within a switch.

Incorrect Answers:
A. Switches are generally faster than bridges. Bridges also do not necessarily have fewer ports than switches.

D. Both bridges and switches will forward broadcast and multicast traffic, assuming that the traffic remains in the same VLAN.

E. The use of VLANs in a switch can decrease the size of the collision domain, by creating additional, smaller collision domains.

第2题：

When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

A．when all switches have the same BID as the root switch

B．when all switches have received the MAC address of each neighboring switch

C．when every enabled switch port has been assigned a unique identifier

D．when every operating switch port is in either the blocking or forwarding state

E．when all switches are in either client, server, or transparent mode


正确答案：D
解析：Explanation:
States of the Spanning Tree Protocol:
Blocking A blocked port won't forward frames; it just listens to BPDUs. All ports are in blocking state by default when the switch is powered up. The purpose of the blocking state is to prevent the use of looped paths.

Listening The port listens to BPDUs to make sure no loops occur on the network before passing data frames. A port in listening state prepares to forward data frames without populating the MAC address table.

Learning The switch port listens to BPDUs and learns all the paths in the switched network. A port in learning state populates the MAC address table but doesn't forward data frames.

Forwarding The port sends and receives all data frames on the bridged port.

Disabled A port in the disabled state does not participate in the frame. forwarding or STP. A port in the disabled state is virtually nonoperational. In Blocking States, all ports are in blocking state. The purpose of the blocking state is to prevent the use of looped paths. The forward state sends and receives the all data frames in a loop free network. So these two states are considered to be fully converged.

第3题：

When did the new rules come out? 

______________________________________


正确答案：
In March.

第4题：

Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）

  • A、STP
  • B、VTP
  • C、GVRP
  • D、SNMP
  • E、DHCP

正确答案:B

第5题：

Which of the following utilities would be used to configure energy saving measures when a laptop switches to battery power?()

A.MSTSC

B.ACPI

C.GDI

D.MSCONFIG


参考答案：B

第6题：

Priming of the tides occurs ______.

A.at times of new and full Moon

B.when the Earth, Moon, and Sun are lying approximately on the same line

C.when the Moon is between first quarter and full and between third quarter and new

D.when the Moon is between new and first quarter and between full and third quarter


正确答案：D
潮的初期发生在当月亮在新月与四分之一之间和满月与四分之三之间。

第7题：

When ordering switches for a new building, which of the following is the BEST way for the technician to determine the number of switches to put in each network closet?()

A. Review the architectural plans to see how many drops go to each closet.

B. Count the number of rooms near each closet and standardize eight drops per room.

C. Wireless is the new standard and no network switches will be needed in the building,

D. Count the number of phone ports and configure two network ports for each phone port.


参考答案：A

第8题：

When he arrived in New York, it was snowing.


正确答案：√

第9题：

New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）

A. cut-through

B. fragment-free

C. frame-filtering

D. store-and-forward

E. 802.1q forwarding

F. VTP transparent mode


参考答案：D

第10题：

When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?（）

  • A、when all switches have the same BID as the root switch
  • B、when all switches have received the MAC address of each neighboring switch
  • C、when every enabled switch port has been assigned a unique identifier
  • D、when every operating switch port is in either the blocking or forwarding state
  • E、when all switches are in either client, server, or transparent mode

正确答案:D

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